Elegant Yokai Apartment Life 32

At the former villa of Kyozo, patriarch of the Hase family, Yushi and the Bookseller discover a secret staircase deep inside a closet! They opt to go down it, following the signs the gold coin is giving them…but will this help them seal the coin away for good? And what about Rintaro, who returned to the manor to help the children he discovered find salvation?